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ECG Rules

Which of these describes Atrial Fibrillation?

Rate

60-100

Regularity

Irregular

P Waves

Upright and uniform

PR Interval

0.12-0.20

QRS

0.08-0.12

Rate

60-180

Regularity

Irregular

P Waves

Chaotic

PR Interval

Unidentifiable

QRS

0.08-0.12

Rate

> 250 (uncountable)

Regularity

Irregular (unidentifiable)

P Waves

None

PR Interval

None

QRS

Chaotic